Karcher’s 1900 PSI K4 pressure washer delivers exceptional cleaning power for most cleaning jobs. The patented induction motor is water cooled to increase life up to 5X. The Vario spray wand allows for quick adjustment between low and high pressure without the need to switch nozzles. For the most stubborn stains, use the patented Dirtblaster spray wand. Onboard detergent tank included.